<section><h2>CHAPTER 19 DIFFERENTIATING WITH SCIENCE </h2><p><p style="text-align:justify;"><span style="font-size:14px;"><strong> </strong></span></p>Hello and welcome to the supplementary Quiz for CHAPTER 19 DIFFERENTIATING WITH SCIENCE. This quiz has 10 questions. Please match the following and choose the correct answer. We hope you enjoy the quiz!<div><br /></div></p></section><section><h2><p dir="ltr" role="presentation">Acetone is a common solvent that is also used in cosmetics.</p><p dir="ltr">This is why it is used commonly as a nail-polish remover. True or false? </p><br /><br /></h2><p></p></section><section><h3><p dir="ltr" role="presentation">Hexane is a popular solvent for liquefying many kinds of cooking oils.</p><p dir="ltr">This is why it is commonly used to make surface-cleaning liquids. True or false? </p><br /><br /></h3><p></p></section><section><h3><p></p>Butter paper, also called bakery paper, is ________________________.<p dir="ltr" role="presentation"></p></h3><p></p></section><section><h3><p></p>Luster is the property of an object to shine. Almost all metals are lustrous. Which of the following objects is not lustrous? <p dir="ltr" role="presentation"></p></h3><p></p></section><section><h3><p dir="ltr"></p> It is easier to skate on ice than on the road. Which of the following forces is responsible for this effect? <br /></h3><p></p></section><section><h3><p dir="ltr"></p>Diamond is a mineral made entirely of carbon. It is the most well-known gemstone and the hardest known naturally occurring substance. Diamond is _________________. <br /></h3><p></p></section><section><h3><p dir="ltr"></p>Historically, Nickel has been used to make coins. Which of the following properties should a material have if it has to be used as a coin? <br /></h3><p></p></section><section><h3><p dir="ltr"></p>Oil spills in the ocean cause tremendous damage to nature because -<h2><br /></h2></h3><p></p></section><section><h3>In the previous question, we learnt that oil spills destroy nature because oil floats over water. This layer of oil cuts off the supply of fresh air to aquatic plants and animals. Which of the following characteristics is responsible for oil floating over water? <h2><br /></h2></h3><p></p></section><section><h3>While fishing, when we throw the hook in the water, the hook floats above the surface of water while the bait sinks below the surface. True or false?<h2><br /></h2></h3><p></p></section><section><h2><h2> </h2><h2>Congratulations! <br /><br />Stay updated. Stay enlightened! <strong> </strong></h2></h2><p></p></section><section><h3><h2> </h2></h3></section>